Home / 1,354,442,515.78-2,032,005,076.89-385,094,131.78

Finding the Fourth Proportional to 1,354,442,515.78, 2,032,005,076.89 and 385,094,131.78

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Solution

The fourth proportional to 1,354,442,515.78, 2,032,005,076.89 and 385,094,131.78 is: 577,738,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,442,515.78 : 2,032,005,076.89 = 385,094,131.78 : x
  2. Step 2: Convert to fraction form
    1,354,442,515.78/2,032,005,076.89 = 385,094,131.78/x
  3. Step 3: Cross multiply
    1,354,442,515.78x = 2,032,005,076.89 × 385,094,131.78
  4. Step 4: Simplify right side
    1,354,442,515.78x = 782,513,230,857,506,688
  5. Step 5: Solve for x
    x = 782,513,230,857,506,688/1,354,442,515.78
  6. Step 6: Final answer
    x = 577,738,236.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.